Chorological Analysis of the Long-Legged Flies (Diptera, Dolichopodidae) of Yakutia

Resumo

Analysis of the latitudinal component of the Dolichopodidae distributions revealed the prevalence of the temperate group in the Yakutian fauna (74 species, or 51%). Analysis of their ranges classified according to the longitudinal extension showed the prevalence of widespread species (89, or 61.4%), in particular those with Holarctic ranges (28 species, or 19.3%). The Yakutian dolichopodid fauna is mainly derived from the Holarctic, Trans-Eurasian, Euro-Siberian, and Far Eastern faunas with inclusion of some Euro-Siberian-Central Palaearctic species. There is also a considerable fraction of East Siberian species.